61026742606747 has 2 divisors, whose sum is σ = 61026742606748. Its totient is φ = 61026742606746.

The previous prime is 61026742606723. The next prime is 61026742606763. The reversal of 61026742606747 is 74760624762016.

61026742606747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61026742606747 - 2²³ = 61026734218139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61026742606691 and 61026742606700.

It is not a weakly prime, because it can be changed into another prime (61026742606717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30513371303373 + 30513371303374.

It is an arithmetic number, because the mean of its divisors is an integer number (30513371303374).

Almost surely, 2^{61026742606747} is an apocalyptic number.

61026742606747 is a deficient number, since it is larger than the sum of its proper divisors (1).

61026742606747 is an equidigital number, since it uses as much as digits as its factorization.

61026742606747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28449792, while the sum is 58.

The spelling of 61026742606747 in words is "sixty-one trillion, twenty-six billion, seven hundred forty-two million, six hundred six thousand, seven hundred forty-seven".